| ̷ ̷ ̷ ̷|käkəm noun
Usage: capitalized
Etymology: New Latin, from chlor- + -coccum (from Latin coccum berry, from Greek kokkos kermes, grain, seed)
: a genus (the type of the family Chlorococcaceae) of unicellular green algae (order Chlorococcales) occurring singly or in a layer on soil or damp rock, reproducing only by spores, and varying greatly in size of the vegetative cells — compare : protococcus